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andrew11 [14]
2 years ago
5

On each request the ith of n possible books is the one chosen with probability pi. To make it quicker to find the book the next

time, the librarian moves the book to the left end of the shelf. Define the state at any time to be the sequence of books we see as we examine the shelf from left to right. Since all the books are distinct this list is a permutation of the set
{1, 2,... n}, i.e., each number is listed exactly once. Show that Ï(i1,... in)= pi1. pi^2/1-pi_1 . pi^3/1-pi_1- pi_2 ........ pi^n/1-pi_1- pi_2.....pi_n is a stationary distribution.
Mathematics
1 answer:
harina [27]2 years ago
7 0

Answer:

attached below

Step-by-step explanation:

loops have permutations , steps to  show that the given set of permutations is a stationary distribution is attached below

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Reflect the point (a) a-axis, and (b) in the y-axis (0,-2)
katovenus [111]

Answer:

here is somthing to help

Step-by-step explanation:

3 0
2 years ago
A grocer wants to make a 10-pound mixture of cash tans peanuts that he can sell for $3.29 per pound. If cashews cost $5.60 per p
bagirrra123 [75]
Label each nut with a variable, c = cashews, p = peanuts.....
for a 10-pound mix, you will need c + p = 10
the price for 10-pounds would become 3.29 x 10 = 32.90 

You will need an unknown amount of cashews at 5.60/lb and an unknown amount of peanuts at 2.30/lbs to get your full 10 pounds valued at 32.90
5.60c + 2.30p = 32.90 

Now you 2 have a system of 2 equations and 2 unknowns
c + p = 105.6c + 2.3p = 32.9utilize substitution to solve:p = 10-c
5.6 c + 2.3 (10-c) = 32.9
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Hope this helps!
3 0
3 years ago
Use a negative factor to factor the expression - 7a+49b - 35
Helen [10]

Answer:

using a negative facto to factor the expression will be:

- 7a+49b - 35 = -7(a-7b+5)

Step-by-step explanation:

Given the expression

- 7a+49b - 35

Rewrite -35 as 5 · 7

Rewrite 49 as 7 · 7

so

= -7a + 7 · 7b - 5 · 7

as -7 is the common factor, so factoring out

= -7(a-7b+5)

Thus, using a negative facto to factor the expression will be:

- 7a+49b - 35 = -7(a-7b+5)

6 0
2 years ago
What is the area of this figure?
aleksley [76]
Find:  1) the area of a circle of diamter 5 feet and radius 5/2 feet.
           2) the area of a triangle with height 4 ft and base 6 ft.

Add these 2 results together:  pi*(5/2)^2 + (1/2)(6)(4)   ft

The trick here is to recognize basic shapes, find their areas separately and add the results.


7 0
3 years ago
Just help me plssssssssss
Komok [63]

Answer:

The perimeter of triangle is 30ft.

Step-by-step explanation:

First you have to find the value of a using Pythogoras Theorem, a² + b² = c² where a and b is the sides and c is the hypotenuse :

{a}^{2}  +  {b}^{2} =   {c}^{2}

{a}^{2}  =  {c}^{2}  -  {b}^{2}

a =  \sqrt{ {c}^{2} -  {b}^{2}  }

Let b = 12,

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perimeter = 5 + 12 + 13

perimeter = 30feet

7 0
2 years ago
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